--- /dev/null
+/*
+ *
+ * Copyright 2016 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#include "src/core/lib/security/credentials/iam/iam_credentials.h"
+
+#include <string.h>
+
+#include "src/core/lib/gprpp/ref_counted_ptr.h"
+#include "src/core/lib/surface/api_trace.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/sync.h>
+
+grpc_google_iam_credentials::~grpc_google_iam_credentials() {
+ grpc_credentials_mdelem_array_destroy(&md_array_);
+}
+
+bool grpc_google_iam_credentials::get_request_metadata(
+ grpc_polling_entity* pollent, grpc_auth_metadata_context context,
+ grpc_credentials_mdelem_array* md_array, grpc_closure* on_request_metadata,
+ grpc_error** error) {
+ grpc_credentials_mdelem_array_append(md_array, &md_array_);
+ return true;
+}
+
+void grpc_google_iam_credentials::cancel_get_request_metadata(
+ grpc_credentials_mdelem_array* md_array, grpc_error* error) {
+ GRPC_ERROR_UNREF(error);
+}
+
+grpc_google_iam_credentials::grpc_google_iam_credentials(
+ const char* token, const char* authority_selector)
+ : grpc_call_credentials(GRPC_CALL_CREDENTIALS_TYPE_IAM) {
+ grpc_mdelem md = grpc_mdelem_from_slices(
+ grpc_slice_from_static_string(GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY),
+ grpc_slice_from_copied_string(token));
+ grpc_credentials_mdelem_array_add(&md_array_, md);
+ GRPC_MDELEM_UNREF(md);
+ md = grpc_mdelem_from_slices(
+ grpc_slice_from_static_string(GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY),
+ grpc_slice_from_copied_string(authority_selector));
+ grpc_credentials_mdelem_array_add(&md_array_, md);
+ GRPC_MDELEM_UNREF(md);
+}
+
+grpc_call_credentials* grpc_google_iam_credentials_create(
+ const char* token, const char* authority_selector, void* reserved) {
+ grpc_core::ExecCtx exec_ctx;
+ GRPC_API_TRACE(
+ "grpc_iam_credentials_create(token=%s, authority_selector=%s, "
+ "reserved=%p)",
+ 3, (token, authority_selector, reserved));
+ GPR_ASSERT(reserved == nullptr);
+ GPR_ASSERT(token != nullptr);
+ GPR_ASSERT(authority_selector != nullptr);
+ return grpc_core::MakeRefCounted<grpc_google_iam_credentials>(
+ token, authority_selector)
+ .release();
+}